AWS EB8

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Description

AWS EB8 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: AWS EB8

Category	Type	Steel Grade
Steel Grades	Mould Steel	AWS EB8
		AWS EB2H
		UNS K23016
		AWS EB3
		UNS K31115
		AWS EB5
		UNS K12087
		AWS EB6
		UNS S50280
		AWS EB6H
		UNS S50180

Chemical composition(mass fraction)(wt.%) of the AWS EB8

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.1	0.05-0.5	0.3-0.65	0.025	0.025	8.0-10.5
Mo	Al	Cu	Nb	Ti	V	Ce
0.8-1.2		≤0.35
N	Co	Pb	B	Other sum
				≤0.5

Mechanical Properties of steel grade AWS EB8

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
248 (≥)	625 (≥)	21	22	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade AWS EB8

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
24	-	-			0.32	-
296	746	-	34.3	212		-
137	-	12	24.2			422	413

Heat Treatment of steel grade AWS EB8

Heat treated : 1329°C - 1446°C

Technological Curves of steel grade AWS EB8

No Curve

Cross Reference Table (Equivalent Grade) of AWS EB8

Grade	Standard	Country	Application
Q195		China	Engineering and welding
Q215		China	Engineering and welding
Q215 B		China	Engineering and welding
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		China	Engineering and welding
Q255 A		China	Engineering and welding
Q255 B		China	Engineering and welding
Q275		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with steel
Q345q E		China	Bridge structure with steel
Q345q C		China	Bridge structure with steel
ASTM 1030	ASTM	USA	General use carbon steel bar
UNS G10300	UNS	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
UNS G10060	UNS	USA	General use carbon steel bar

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